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[ethernet] Add RP2040 W5500 Ethernet documentation#6282

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rp2040_ethernet
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[ethernet] Add RP2040 W5500 Ethernet documentation#6282
bdraco wants to merge 3 commits intonextfrom
rp2040_ethernet

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@bdraco bdraco commented Mar 15, 2026

Description

Add documentation for RP2040 W5500 Ethernet support added in esphome/esphome#14820.

Updates to the ethernet component docs:

  • Update description to mention ESP32 and RP2040 platform support
  • Add platform annotations (ESP32 only, ESP32 and RP2040) to chipset list
  • Add RP2040 SPI example configuration
  • Add WIZnet W5500-EVB-Pico board example
  • Mark clock_speed and polling_interval as ESP32-only
  • Simplify SPI polling mode documentation

Related issue (if applicable): N/A

Pull request in esphome with YAML changes (if applicable):

Checklist

  • I am merging into next because this is new documentation that has a matching pull-request in esphome as linked above.
    or

  • I am merging into current because this is a fix, change and/or adjustment in the current documentation and is not for a new component or feature.

  • Link added in /src/content/docs/components/index.mdx when creating new documents for new components or cookbook.

Update ethernet docs to cover RP2040 W5500 support:
- Update description to mention ESP32 and RP2040
- Add platform annotations to chipset list
- Add RP2040 SPI example configuration
- Add WIZnet W5500-EVB-Pico board example
- Mark clock_speed and polling_interval as ESP32-only
- Simplify SPI polling mode documentation
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@bdraco bdraco marked this pull request as ready for review March 19, 2026 03:18
Copilot AI review requested due to automatic review settings March 19, 2026 03:18
@bdraco bdraco added this to the 2026.3.1 milestone Mar 19, 2026
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bdraco commented Mar 19, 2026

forgot to undraft

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bdraco commented Mar 19, 2026

nm its not in .3

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Pull request overview

Adds/updates ESPHome Ethernet component documentation to cover new RP2040 + W5500 (SPI) support alongside existing ESP32 Ethernet support.

Changes:

  • Expand component description to include RP2040 support and add a short platform capability summary.
  • Annotate supported Ethernet chipsets with platform availability and add RP2040 SPI configuration examples (including W5500-EVB-Pico).
  • Update SPI polling-mode documentation and mark certain SPI options as ESP32-only.

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- Fix grammar: "Minimum is 1ms, Defaults" -> "Minimum is 1ms; defaults"
- Clarify RP2040 SPI example uses Pico pin numbers
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